<template>
  <BasicMenuItem v-if="!menuHasChildren(item) && getShowMenu" v-bind="$props" />
  <SubMenu
    v-if="menuHasChildren(item) && getShowMenu"
    :class="[theme]"
    :key="`submenu-${item.path}`"
    popupClassName="app-top-menu-popup"
  >
    <template #title>
      <MenuItemContent v-bind="$props" :item="item" />
    </template>

    <template v-for="childrenItem in item.children || []" :key="childrenItem.path">
      <BasicSubMenuItem v-bind="$props" :item="childrenItem" />
    </template>
  </SubMenu>
</template>
<script lang="ts">
import type { Menu as MenuType } from "/@/router/Types";
import { defineComponent, computed } from "vue";
import { Menu } from "ant-design-vue";
import { useDesign } from "/@/hooks/web/UseDesign";
import { itemProps } from "../Props";
import BasicMenuItem from "./BasicMenuItem.vue";
import MenuItemContent from "./MenuItemContent.vue";

export default defineComponent({
  name: "BasicSubMenuItem",
  isSubMenu: true,
  components: {
    BasicMenuItem,
    SubMenu: Menu.SubMenu,
    MenuItemContent
  },
  props: itemProps,
  setup(props) {
    const { prefixCls } = useDesign("basic-menu-item");

    const getShowMenu = computed(() => !props.item.meta?.hideMenu);

    function menuHasChildren(menuTreeItem: MenuType): boolean {
      return (
        !menuTreeItem.meta?.hideChildrenInMenu &&
        Reflect.has(menuTreeItem, "children") &&
        !!menuTreeItem.children &&
        menuTreeItem.children.length > 0
      );
    }

    return {
      prefixCls,
      menuHasChildren,
      getShowMenu
    };
  }
});
</script>
